What is the rotor copper loss of a 3-phase 550 Volt, 50 Hz, 6 polesinduction motor developing 4.1 kW at the shaft with mechanical lossof 750 W at 870 rpm?

Given a 3-phase 550 Volt induction motor with, Number of poles, P = 6 Rotor power = 4.1 kW Shaft…

Answered: What is the rotor copper loss of a…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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Similar questions

A 110 V, 60 Hz, 6 – pole single phase induction motor 1/3 hp has the following equivalent circuit impedances: RI = 1.52 ohm, R2 = 3.13 ohm and x1 =2.10 ohm, x2 =1.56 ohm. Xm=58.2 ohm, The Friction, windage and stry losses =16W, the core loss = 35 W, For a slip of 0.05, calculation (a) input current, (b) power factor, (c) developed power, (d) output power, (e) speed (f) in put power (g) air gab power (h) T ind (i) T load 6) efficiency.
(6) The air gap power of 440 V, 50 HZ 6 pole 3- phase induction motor is 100 KW. The rotor frequency is 1.3 HZ. Find rotor copper losses per phase.
A 480-V, 25-hp, 50-Hz, Six-pole, Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R₁ = 0.75 92, R₂ = 0.45 2, X₁=0.9 92, X₂ = 0.5 , XM = 20 92. The total rotational losses are 950 W and are assumed to be constant. The core loss is 100 W. For a rotor slip of 4 percent at the rated voltage and rated frequency, find the motor's (a) Rotor mechanical Speed in (rad/sec). (d) Pcony and Pout. (e) Tind and Tload. (b) Stator current. (c) Power factor. (f) Efficiency.
A wave wound armature of an eight-pole DC shunt generator has 51 slots, each
4-What is the main function of a diverter used in series wound DC motor? 5- What is the main difference between (iron and friction losses) and copper (Cu) losses in DC generators? 05
a. Explain how a rotating magnetic field is produced in a three-phase induction motor. b. Explain the rotor action on a three-phase squirrel cage motor when the load increases from NO-LOAD to rated FULL- LOAD
The voltage induced by a 6-pole DC generator running at 600 [RPM] with 100 slots on the armature and each armature coil has 4 turns with a flux per pole of 0.01 [Wb] is
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A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor current a. 48 Hz b. 2 Hz c. 50 Hz d. 100
A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected induction motor has the following constants in ohms per phase referred to the stator: R = 0.322N R2 = 0.196 Q X1 = 0.6752 X2 = 0.510Q Xm = 12.52 The total rotational losses are 1850 W and are assumed to be constant. The core loss is lumped in with the rotational losses. For a rotor slip of 3% at the rated voltage and rated frequency, determine the following: (a) The speed in rpm and in rad/s power factor (d) The developed power and output power (e) The developed torque and output torque (f) The efficiency. (b) The stator current (c) The
A 50-hp three-phase motor, rated 220 V, 75% power factor has 6 poles. The slip at full load is 3%. What is the frequency of the rotor current at full load? (a). 1.8 Hz (b). 60 Hz (c). 5.4 Hz (d). 58.2 Hz

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What is the rotor copper loss of a 3-phase 550 Volt, 50 Hz, 6 poles induction motor developing 4.1 kW at the shaft with mechanical loss of 750 W at 870 rpm?